655620302658071 has 8 divisors (see below), whose sum is σ = 665423101448304. Its totient is φ = 645818016254400.

The previous prime is 655620302658023. The next prime is 655620302658187. The reversal of 655620302658071 is 170856203026556.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-655620302658071 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 655620302657998 and 655620302658016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (655620302658011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 125518040 + ... + 130636973.

It is an arithmetic number, because the mean of its divisors is an integer number (83177887681038).

Almost surely, 2^{655620302658071} is an apocalyptic number.

655620302658071 is a deficient number, since it is larger than the sum of its proper divisors (9802798790233).

655620302658071 is a wasteful number, since it uses less digits than its factorization.

655620302658071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256193281.

The product of its (nonzero) digits is 18144000, while the sum is 56.

The spelling of 655620302658071 in words is "six hundred fifty-five trillion, six hundred twenty billion, three hundred two million, six hundred fifty-eight thousand, seventy-one".